Areas of Excessive Rainfall and Severe Thunderstorms on Tuesday

Heavy to excessive rainfall is forecast over north Texas into Oklahoma Tuesday. Locally catastrophic flooding will be possible across portions of southwest Oklahoma. Flood Watches have been issued. Scattered severe thunderstorms are possible within a broad swath from the lower Great Lakes to the southern High Plains Tuesday afternoon into the evening. Read More >

Hazardous Weather Conditions

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

54°F

12°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 30.25 in (1024.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 28 Apr 9:56 pm EDT
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. Southwest wind 6 to 16 mph.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Southwest wind around 17 mph, with gusts as high as 30 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 8 to 13 mph becoming north in the afternoon.

    High: 63 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Light north wind.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain between 11am and 3pm.  Mostly cloudy, with a high near 62. South wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain after 10pm.  Mostly cloudy, with a low around 51. South wind around 9 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 64. Southwest wind 6 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 52. Southwest wind around 17 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 63. West wind 8 to 13 mph becoming north in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. Light north wind.
Thursday
Mostly sunny, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 46. South wind around 6 mph.
Friday
A chance of rain between 11am and 3pm. Mostly cloudy, with a high near 62. South wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 51. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 61. Southwest wind 8 to 10 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 46. West wind around 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 59. Southwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 46. West wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 59. North wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
3:48 pm EDT Apr 28, 2025
10pm EDT Apr 28, 2025-6pm EDT May 5, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database